86660206668 has 48 divisors (see below), whose sum is σ = 256770984960. Its totient is φ = 24760058832.

The previous prime is 86660206637. The next prime is 86660206691.

86660206668 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57314196 + ... + 57315707.

It is an arithmetic number, because the mean of its divisors is an integer number (5349395520).

Almost surely, 2^86660206668 is an apocalyptic number.

It is an amenable number.

86660206668 is an abundant number, since it is smaller than the sum of its proper divisors (170110778292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86660206668 is a wasteful number, since it uses less digits than its factorization.

86660206668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114629923 (or 114629915 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 86660206668 in words is "eighty-six billion, six hundred sixty million, two hundred six thousand, six hundred sixty-eight".